object-shape-tester/dist/define-shape/type-equality.js

Test object properties and value types.

export function haveEqualTypes({ subject, shape }) {
    const shapeConstructor = shape?.constructor;
    const subjectPrototype = subject?.constructor?.prototype;
    const constructorsEqual = subject?.constructor === shapeConstructor;
    const constructorsInstanceOf = shapeConstructor && subjectPrototype ? subjectPrototype instanceof shapeConstructor : false;
    const constructorsMatch = constructorsEqual ||
        constructorsInstanceOf ||
        isNullObjectComparison({ shapeConstructor, subject });
    return typeof subject === typeof shape && constructorsMatch;
}
function isNullObjectComparison({ shapeConstructor, subject, }) {
    return !!subject && Object.getPrototypeOf(subject) === null && shapeConstructor === Object;
}